what is this text: =B0=A1=C1=CB … and how to convert it to normal text?

Question

I found this format of text:

=B0=A1=C1=CB,=C4=E3=D2=B2=C3=BB=C1=AA=CF=B5=CE=D2,=D7=EE=BD=FC=CA=C7=B2=BB=CA=C7=
=BA=DC=C3=A6=B0=A1

and people